20235965895

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1487}}^1\times {\mathrm{17789}}^1$

素因数の和:19304

約数の個数: 48

約数和(自身を含む): 37166014080

約数和(自身を除く): 16930048185

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1487, 4461, 7435, 13383, 17789, 22305, 25279, 53367, 66915, 75837, 88945, 126395, 160101, 227511, 266835, 302413, 379185, 800505, 907239, 1137555, 1512065, 2721717, 4536195, 13608585, 26452243, 79356729, 132261215, 238070187, 396783645, 449688131, 1190350935, 1349064393, 2248440655, 4047193179, 6745321965, 20235965895]

約数ペア:

[(1, 20235965895), (3, 6745321965), (5, 4047193179), (9, 2248440655), (15, 1349064393), (17, 1190350935), (45, 449688131), (51, 396783645), (85, 238070187), (153, 132261215), (255, 79356729), (765, 26452243), (1487, 13608585), (4461, 4536195), (7435, 2721717), (13383, 1512065), (17789, 1137555), (22305, 907239), (25279, 800505), (53367, 379185), (66915, 302413), (75837, 266835), (88945, 227511), (126395, 160101)]